minimum possible value of any number?

Hi !

i have a number ( e.g : 128971109875( it can be any number ) )

now i want formula , loop , methods or any thing that will convert this number to the possilbe lowest value and the revrse should also be possible !

i thought and got a answer but there is also problem with it
let me explain
let say i have number 38
now i will keep divind it by 2 if the number is odd i will add 1 and then divide it by 2 agian the loop will continuw and i will ave series of 1's and 2's

38 /2 = 19 divide 2
19+1 = 20 add 1(add number)
20/2 = 10 divide 2
10 /2 = 5 divide 2
5+1 = 6 add 1 (add number)
6/2= 3 divide 2
3+1= 4 add 1 (add number)
4/2= 2 divide 2
2/2= 1 divide 2



so i got 2 1 2 2 1 2 1 2 2
and now i can also get the number 38
but u see by this method i get more numebr than 38
38 = 2 digits
2 1 2 2 1 2 1 2 2 = 9 digits

i was trying to make it compact but it grew larger

so is there nay way i simly put the num 38( or any number) it will give me smallet walue possilbe and also i could convert it back to that nuber

i currenlty have very long numbers inafct very very long number so that si why i ma saking for such a formaula
Thanks
in advance
suhailkaleem

 

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